/* Copyright 203-2115 AtomWare Technology Pty Limited
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 * 
 * The flowing information must be keep 
 * EvaluateFormulaConverter.java
 * business
 * 2013-1-4上午11:41:32
 * @author 屈甲康
 * QQ285799123
 * mailto:qujiakang@gmail.com
 */

package org.jackysoft.report.rows.converter;

import java.util.Iterator;

import org.apache.poi.ss.usermodel.Cell;
import org.apache.poi.ss.usermodel.FormulaEvaluator;
import org.apache.poi.ss.usermodel.Row;

public class EvaluateFormulaConverter extends AbstractRowConverter {

	private FormulaEvaluator evaluator;
	
		
	public EvaluateFormulaConverter(FormulaEvaluator evaluator) {
		super();
		if(evaluator==null)
			throw new IllegalArgumentException("公式计算器对此对象是必须的");
		this.evaluator = evaluator;
	}

	@Override
	public Row convert(Row oldrow) {
		
		for(Iterator<Cell> cells = oldrow.cellIterator();cells.hasNext();){
			Cell cell = cells.next();
			evaluator.evaluateInCell(cell);
		}
		return super.convert(oldrow);
	}

}
